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13230413300 = 22521310177241
BaseRepresentation
bin11000101001001100…
…00001010111110100
31021011001100122002102
430110212001113310
5204043441211200
610024501401232
7645601441346
oct142446012764
937131318072
1013230413300
11567a250375
122692a09218
13132b047130
148d71c7296
155267b76d5
hex3149815f4

13230413300 has 36 divisors (see below), whose sum is σ = 30918461196. Its totient is φ = 4885075200.

The previous prime is 13230413297. The next prime is 13230413309. The reversal of 13230413300 is 331403231.

It can be written as a sum of positive squares in 6 ways, for example, as 4990857316 + 8239555984 = 70646^2 + 90772^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13230413309) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5087321 + ... + 5089920.

Almost surely, 213230413300 is an apocalyptic number.

13230413300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13230413300 is an abundant number, since it is smaller than the sum of its proper divisors (17688047896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13230413300 is a wasteful number, since it uses less digits than its factorization.

13230413300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10177268 (or 10177261 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 13230413300 its reverse (331403231), we get a palindrome (13561816531).

It can be divided in two parts, 13 and 230413300, that multiplied together give a square (2995372900 = 547302).

The spelling of 13230413300 in words is "thirteen billion, two hundred thirty million, four hundred thirteen thousand, three hundred".

Divisors: 1 2 4 5 10 13 20 25 26 50 52 65 100 130 260 325 650 1300 10177241 20354482 40708964 50886205 101772410 132304133 203544820 254431025 264608266 508862050 529216532 661520665 1017724100 1323041330 2646082660 3307603325 6615206650 13230413300